Home / 56,717.02-78,260.52-31,566.52

Finding the Fourth Proportional to 56,717.02, 78,260.52 and 31,566.52

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Solution

The fourth proportional to 56,717.02, 78,260.52 and 31,566.52 is: 43,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.02 : 78,260.52 = 31,566.52 : x
  2. Step 2: Convert to fraction form
    56,717.02/78,260.52 = 31,566.52/x
  3. Step 3: Cross multiply
    56,717.02x = 78,260.52 × 31,566.52
  4. Step 4: Simplify right side
    56,717.02x = 2,470,412,269.79
  5. Step 5: Solve for x
    x = 2,470,412,269.79/56,717.02
  6. Step 6: Final answer
    x = 43,556.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.